Federal prosecutors in New Jersey say the 34-year-old admitted he had been assembling equipment and materials to produce ricin, abrin and other toxins at his apartments in Jersey City and Manhattan. Prosecutors say Gonzalez also obtained weapons, ammunition, body armor and training manuals for violent confrontation.

The pharmacist was initially charged in November with trying to manufacture a controlled substance after authorities discovered he had made purchases through an online auction of materials associated with the hallucinogen known as MDA.